* {
    margin: 0;
    padding: 0;
    
}
body,
main,
section {
    background-color: white;
}
body{
    overflow:scroll;
    overflow-x:hidden;
}
a {
    text-decoration: none;
}

ul {
    display: flex;
    justify-items: left;
    justify-content: space-around;
}

ul li {
    list-style: none;
}
header {
    width: 100%;
    height: 120px;
    position: fixed;
    top: 0;
    z-index: 1;
    box-sizing: border-box;
    background-color: rgba(255, 255, 255);
    border-top: 8px solid black;
    box-shadow: 10px 0px 50px 0px #999999;

}

main {
    padding-top: 90px;
    margin-bottom: 600px;
}